experimental minimap

* a lot of rework in MapView
* new APIs for UIMap

modules/game/game.otmod

@@ -20,6 +20,7 @@ Module
     - game_containers
     - game_viplist
     - game_battle
+    - game_minimap
     - game_hotkeys
 
   @onLoad: |

modules/game/widgets/uigamemap.lua

@@ -2,6 +2,8 @@ UIGameMap = extends(UIMap)
 
 function UIGameMap.create()
   local gameMap = UIGameMap.internalCreate()
+  gameMap:setKeepAspectRatio(true)
+  gameMap:setVisibleDimension({width = 15, height = 11})
   return gameMap
 end
 

modules/game_minimap/minimap.lua

@@ -0,0 +1,64 @@
+Minimap = {}
+
+-- private variables
+local minimapWidget
+local minimapButton
+
+-- private functions
+function onMinimapMouseRelease(self, mousePosition, mouseButton)
+  local tile = self:getTile(mousePosition)
+  if tile and mouseButton == MouseLeftButton and self:isPressed() then
+    local dirs = g_map.findPath(g_game.getLocalPlayer():getPosition(), tile:getPosition(), 255)
+    if #dirs == 0 then
+      TextMessage.displayStatus('There is no way.')
+      return true
+    end
+    g_game.autoWalk(dirs)
+    return true
+  end
+  return false
+end
+
+
+function onMinimapMouseWheel(self, mousePos, direction)
+  if direction == MouseWheelUp then
+    self:zoomIn()
+  else
+    self:zoomOut()
+  end
+end
+
+-- public functions
+function Minimap.init()
+  connect(g_game, { onLogin = Minimap.reset })
+  Keyboard.bindKeyDown('Ctrl+M', Minimap.toggle)
+
+  minimapButton = TopMenu.addGameToggleButton('minimapButton', 'Minimap (Ctrl+M)', 'minimap.png', Minimap.toggle)
+  minimapButton:setOn(true)
+
+  minimapWidget = loadUI('minimap.otui', GameInterface.getMapPanel())
+  minimapWidget.onMouseRelease = onMinimapMouseRelease
+  minimapWidget.onMouseWheel = onMinimapMouseWheel
+end
+
+function Minimap.terminate()
+  Keyboard.unbindKeyDown('Ctrl+M')
+  disconnect(g_game, { onLogin = Minimap.reset })
+
+  minimapWidget:destroy()
+  minimapWidget = nil
+  minimapButton:destroy()
+  minimapButton = nil
+end
+
+function Minimap.toggle()
+  local visible = not minimapWidget:isExplicitlyVisible()
+  minimapWidget:setVisible(visible)
+  minimapButton:setOn(visible)
+end
+
+function Minimap.reset()
+  minimapWidget:followCreature(g_game.getLocalPlayer())
+  for i=1,10 do minimapWidget:zoomOut() end
+end
+

modules/game_minimap/minimap.otmod

@@ -0,0 +1,15 @@
+Module
+  name: game_minimap
+  description: Manage minimap
+  author: OTClient team
+  website: https://github.com/edubart/otclient
+
+  dependecies:
+    - game
+
+  @onLoad: |
+    dofile 'minimap'
+    Minimap.init()
+
+  @onUnload:
+    Minimap.terminate()

modules/game_minimap/minimap.otui

@@ -0,0 +1,21 @@
+UIMap
+  id: minimap
+  anchors.top: parent.top
+  anchors.right: parent.right
+  size: 256 192
+  margin-top: 2
+  margin-right: 2
+  border-width: 1
+  border-color: #888888
+  padding: 1
+  //draw-minimap-colors: true
+  multifloor: false
+  draw-texts: false
+
+  CheckBox
+    anchors.top: parent.top
+    anchors.right: parent.right
+    margin-top: 2
+    margin-right: 2
+    size: 16 16
+    @onCheckChange: self:getParent():setDrawMinimapColors(self:isChecked())

modules/game_shaders/map.frag

@@ -3,8 +3,84 @@ uniform vec4 color; // painter color
 uniform float time; // time in seconds since shader linkage
 uniform sampler2D texture; // map texture
 varying vec2 textureCoords; // map texture coords
+//uniform vec4 awareArea;
 
 void main()
 {
     gl_FragColor = texture2D(texture, textureCoords);
 }
+
+/*
+vec4 grayScale(vec4 color, float factor)
+{
+    float gray = dot(color.rgb, vec3(0.299, 0.587, 0.114));
+    return vec4(gray*factor + (1-factor)*color.r,
+                gray*factor + (1-factor)*color.g,
+                gray*factor + (1-factor)*color.b, 1);
+}
+
+// grayscale fog
+void main()
+{
+    vec4 color = texture2D(texture, textureCoords);
+    float dist = 0;
+    // left
+    if(textureCoords.x < awareArea.x && textureCoords.y < awareArea.y)
+        dist = distance(textureCoords, awareArea.xy);
+    else if(textureCoords.x < awareArea.x && textureCoords.y < awareArea.w)
+        dist = distance(textureCoords, vec2(awareArea.x, textureCoords.y));
+    else if(textureCoords.x < awareArea.x)
+        dist = distance(textureCoords, awareArea.xw);
+    // right
+    else if(textureCoords.x > awareArea.z && textureCoords.y < awareArea.y)
+        dist = distance(textureCoords, awareArea.zy);
+    else if(textureCoords.x > awareArea.z && textureCoords.y < awareArea.w)
+        dist = distance(textureCoords, vec2(awareArea.z, textureCoords.y));
+    else if(textureCoords.x > awareArea.z)
+        dist = distance(textureCoords, awareArea.zw);
+    // top
+    else if(textureCoords.y < awareArea.y)
+        dist = distance(textureCoords, vec2(textureCoords.x, awareArea.y));
+    // bottom
+    else if(textureCoords.y > awareArea.w)
+        dist = distance(textureCoords, vec2(textureCoords.x, awareArea.w));
+    if(dist > 0) {
+        float range = 0.01;
+        float factor = min(dist/range, 1.0);
+        color = grayScale(color, factor);
+        //color.rgb *= 1 - (factor * 0.5);
+    }
+    gl_FragColor = color;
+}
+*/
+
+/*
+sepia
+void main()
+{
+    vec4 color = texture2D(texture, textureCoords);
+    if(textureCoords.x < awareArea.x || textureCoords.y < awareArea.y || textureCoords.x > awareArea.z || textureCoords.y > awareArea.w) {
+        gl_FragColor.r = dot(color, vec4(.393, .769, .189, .0));
+        gl_FragColor.g = dot(color, vec4(.349, .686, .168, .0));
+        gl_FragColor.b = dot(color, vec4(.272, .534, .131, .0));
+        gl_FragColor.a = 1;
+    } else
+        gl_FragColor = color;
+}
+*/
+
+/*
+void main()
+{
+    vec4 color = texture2D(texture, textureCoords);
+    vec2 awareRange = (awareArea.zw - awareArea.xy)/2.0;
+    float dist = distance(textureCoords, awareArea.xy + awareRange);
+    float start = min(awareRange.x, awareRange.y);
+    float range = awareRange*0.1;
+    float endFactor = 0.3;
+    if(dist >= start) {
+        color.rgb *= 1 - (min((dist - start)/range, 1.0) * (2.0 - endFactor));
+    }
+    gl_FragColor = color;
+}
+*/

src/framework/graphics/graphics.cpp

@@ -76,6 +76,8 @@ void Graphics::init()
 
 #endif
 
+    glHint(GL_LINE_SMOOTH_HINT,GL_NICEST);
+    glHint(GL_PERSPECTIVE_CORRECTION_HINT,GL_NICEST);
     glEnable(GL_BLEND);
     glClear(GL_COLOR_BUFFER_BIT);
 
@@ -99,8 +101,6 @@ bool Graphics::parseOption(const std::string& option)
         m_generateMipmaps = false;
     else if(option == "-no-smoothing")
         m_useBilinearFiltering = false;
-    else if(option == "-realtime-mipmapping")
-        m_generateRealtimeMipmaps = true;
     else if(option == "-no-hardware-buffering")
         m_useHardwareBuffers = false;
     else

src/framework/graphics/graphics.h

@@ -38,7 +38,6 @@ public:
     bool canUseHardwareBuffers() { return m_useHardwareBuffers; }
     bool canGenerateMipmaps() { return m_generateMipmaps; }
     bool canGenerateHardwareMipmaps() { return m_generateHardwareMipmaps; }
-    bool canGenerateRealtimeMipmaps() { return m_generateRealtimeMipmaps; }
 
     void resize(const Size& size);
     void beginRender();
@@ -59,7 +58,6 @@ private:
     Boolean<true> m_useBilinearFiltering;
     Boolean<true> m_generateMipmaps;
     Boolean<true> m_generateHardwareMipmaps;
-    Boolean<false> m_generateRealtimeMipmaps;
 };
 
 extern Graphics g_graphics;

src/framework/math/color.h

@@ -33,6 +33,8 @@ public:
     Color() : m_r(1.0f), m_g(1.0f), m_b(1.0f), m_a(1.0f) { }
     Color(uint32 rgba) { setRGBA(rgba); }
     Color(uint8 r, uint8 g, uint8 b, uint8 a = 0xFF) : m_r(r/255.0f), m_g(g/255.0f), m_b(b/255.0f), m_a(a/255.0f) { }
+    Color(int r, int g, int b, int a = 0xFF) : m_r(r/255.0f), m_g(g/255.0f), m_b(b/255.0f), m_a(a/255.0f) { }
+    Color(float r, float g, float b, float a = 1.0f) : m_r(r), m_g(g), m_b(b), m_a(a) { }
 
     uint8 a() const { return m_a*255.0f; }
     uint8 b() const { return m_b*255.0f; }

src/otclient/core/mapview.cpp

@@ -34,23 +34,24 @@
 #include "missile.h"
 #include <framework/core/eventdispatcher.h>
 
+//int AWARE_AREA_UNIFORM = 10;
+
 MapView::MapView()
 {
-    m_viewRange = NEAR_VIEW;
+    m_viewMode = NEAR_VIEW;
     m_lockedFirstVisibleFloor = -1;
-    m_cachedFirstVisibleFloor = 0;
+    m_cachedFirstVisibleFloor = 7;
     m_cachedLastVisibleFloor = 7;
+    m_optimizedSize = Size(Otc::AWARE_X_TILES, Otc::AWARE_Y_TILES) * Otc::TILE_PIXELS;
 
-    Size frameBufferSize(std::min(g_graphics.getMaxTextureSize(), (int)DEFAULT_FRAMBUFFER_WIDTH),
+    m_framebuffer = FrameBufferPtr(new FrameBuffer());
-                         std::min(g_graphics.getMaxTextureSize(), (int)DEFAULT_FRAMBUFFER_HEIGHT));
-
-    m_framebuffer = FrameBufferPtr(new FrameBuffer(frameBufferSize));
     setVisibleDimension(Size(15, 11));
 
     m_shaderProgram = PainterShaderProgramPtr(new PainterShaderProgram);
     m_shaderProgram->addShaderFromSourceCode(Shader::Vertex, glslMainWithTexCoordsVertexShader + glslPositionOnlyVertexShader);
     m_shaderProgram->addShaderFromSourceFile(Shader::Fragment, "/game_shaders/map.frag");
     m_shaderProgram->link();
+    //m_shaderProgram->bindUniformLocation(AWARE_AREA_UNIFORM, "awareArea");
 }
 
 void MapView::draw(const Rect& rect)
@@ -63,18 +64,19 @@ void MapView::draw(const Rect& rect)
     Position cameraPosition = getCameraPosition();
 
     int drawFlags = 0;
-    if(m_viewRange == NEAR_VIEW)
+    if(m_viewMode == NEAR_VIEW)
         drawFlags = Otc::DrawGround | Otc::DrawGroundBorders | Otc::DrawWalls |
                     Otc::DrawItems | Otc::DrawCreatures | Otc::DrawEffects | Otc::DrawMissiles | Otc::DrawAnimations;
-    else if(m_viewRange == MID_VIEW)
+    else if(m_viewMode == MID_VIEW)
         drawFlags = Otc::DrawGround | Otc::DrawGroundBorders | Otc::DrawWalls | Otc::DrawItems;
-    else if(m_viewRange == FAR_VIEW)
+    else if(m_viewMode == FAR_VIEW)
         drawFlags = Otc::DrawGround | Otc::DrawGroundBorders | Otc::DrawWalls;
     else if(m_tileSize >= 4) // HUGE_VIEW 1
         drawFlags = Otc::DrawGround | Otc::DrawGroundBorders;
     else // HUGE_VIEW 2
         drawFlags = Otc::DrawGround;
 
+    Size tileSize = Size(1,1) * m_tileSize;
     if(m_mustDrawVisibleTilesCache || (drawFlags & Otc::DrawAnimations)) {
         g_painter.saveAndResetState();
         m_framebuffer->bind();
@@ -86,6 +88,8 @@ void MapView::draw(const Rect& rect)
             g_painter.setColor(Color::black);
             g_painter.drawFilledRect(clearRect);
             g_painter.setColor(Color::white);
+
+           // m_framebuffer->clear(Color::black);
         }
 
         auto it = m_cachedVisibleTiles.begin();
@@ -98,29 +102,26 @@ void MapView::draw(const Rect& rect)
                 else
                     ++it;
 
-                tile->draw(transformPositionTo2D(tile->getPosition()), scaleFactor, drawFlags);
+                if(!m_drawMinimapColors)
+                    tile->draw(transformPositionTo2D(tile->getPosition()), scaleFactor, drawFlags);
+                else {
+                    g_painter.setColor(tile->getMinimapColor());
+                    g_painter.drawFilledRect(Rect(transformPositionTo2D(tile->getPosition()), tileSize));
+                }
             }
 
-            if(drawFlags & Otc::DrawMissiles) {
+            if(drawFlags & Otc::DrawMissiles && !m_drawMinimapColors) {
                 for(const MissilePtr& missile : g_map.getFloorMissiles(z)) {
                     missile->draw(transformPositionTo2D(missile->getPosition()), scaleFactor, drawFlags & Otc::DrawAnimations);
                 }
             }
         }
 
-        /*
-        // debug source area
-        g_painter.setColor(Color(255,255,255,100));
-        Point drawOffset = ((m_drawDimension - m_visibleDimension - Size(1,1)).toPoint()/2) * m_tileSize;
-        g_painter.drawFilledRect(Rect(drawOffset, m_visibleDimension * m_tileSize));
-        */
-
         m_framebuffer->release();
         g_painter.restoreSavedState();
 
         // generating mipmaps each frame can be slow in older cards
-        if(g_graphics.canGenerateRealtimeMipmaps())
+        //m_framebuffer->getTexture()->generateHardwareMipmaps();
-            m_framebuffer->getTexture()->generateHardwareMipmaps();
 
         m_mustDrawVisibleTilesCache = false;
     }
@@ -130,20 +131,57 @@ void MapView::draw(const Rect& rect)
     Point drawOffset = ((m_drawDimension - m_visibleDimension - Size(1,1)).toPoint()/2) * m_tileSize;
     if(m_followingCreature)
         drawOffset += m_followingCreature->getWalkOffset() * scaleFactor;
-    Rect srcRect = Rect(drawOffset, m_visibleDimension * m_tileSize);
+
+    Size srcSize = rect.size();
+    Size srcVisible = m_visibleDimension * m_tileSize;
+    srcSize.scale(srcVisible, Fw::KeepAspectRatio);
+    drawOffset.x += (srcVisible.width() - srcSize.width()) / 2;
+    drawOffset.y += (srcVisible.height() - srcSize.height()) / 2;
+    Rect srcRect = Rect(drawOffset, srcSize);
+
+    /*
+    // pass aware area to the shader program
+    Rect awareRect;
+    if(m_followingCreature) {
+        Point awareOffset = transformPositionTo2D(m_followingCreature->getPosition().translated(-Otc::AWARE_X_LEFT_TILES + 1, -Otc::AWARE_Y_TOP_TILES + 1));
+        awareOffset += m_followingCreature->getWalkOffset() * scaleFactor;
+
+        awareRect.setTopLeft(awareOffset);
+        awareRect.resize(Otc::VISIBLE_X_TILES * m_tileSize, Otc::VISIBLE_Y_TILES * m_tileSize);
+    }
+
+    m_shaderProgram->bind();
+    m_shaderProgram->setUniformValue(AWARE_AREA_UNIFORM,
+                                     awareRect.left()/(float)m_framebuffer->getSize().width(),
+                                     awareRect.top()/(float)m_framebuffer->getSize().height(),
+                                     awareRect.right()/(float)m_framebuffer->getSize().width(),
+                                     awareRect.bottom()/(float)m_framebuffer->getSize().height());
+                                     */
+
+#if 0
+    // debug source area
+    g_painter.saveAndResetState();
+    m_framebuffer->bind();
+    g_painter.setColor(Color::green);
+    g_painter.drawBoundingRect(srcRect, 2);
+    m_framebuffer->release();
+    g_painter.restoreSavedState();
+    m_framebuffer->draw(rect);
+#else
     m_framebuffer->draw(rect, srcRect);
+#endif
+
     g_painter.releaseCustomProgram();
 
     // this could happen if the player position is not known yet
     if(!cameraPosition.isValid())
         return;
 
-    float horizontalStretchFactor = rect.width() / (float)(m_visibleDimension.width() * m_tileSize);
+    float horizontalStretchFactor = rect.width() / (float)srcRect.width();
-    float verticalStretchFactor = rect.height() / (float)(m_visibleDimension.height() * m_tileSize);
+    float verticalStretchFactor = rect.height() / (float)srcRect.height();
-    //Size tileStretchedSize = Size(m_tileSize * horizontalStretchFactor, m_tileSize * verticalStretchFactor);
 
     // avoid drawing texts on map in far zoom outs
-    if(m_viewRange == NEAR_VIEW) {
+    if(m_viewMode == NEAR_VIEW && m_drawTexts) {
         for(const CreaturePtr& creature : m_cachedFloorVisibleCreatures) {
             Position pos = creature->getPosition();
 
@@ -187,7 +225,7 @@ void MapView::draw(const Rect& rect)
             p += rect.topLeft();
             animatedText->draw(p, rect);
         }
-    } else {
+    } else if(m_viewMode > NEAR_VIEW) {
         // draw a cross in the center instead of our creature
         Rect vRect(0, 0, 2, 10);
         Rect hRect(0, 0, 10, 2);
@@ -239,16 +277,13 @@ void MapView::updateVisibleTilesCache(int start)
     // cache visible tiles in draw order
     // draw from last floor (the lower) to first floor (the higher)
     for(int iz = m_cachedLastVisibleFloor; iz >= m_cachedFirstVisibleFloor && !stop; --iz) {
-        if(m_viewRange <= FAR_VIEW) {
+        if(m_viewMode <= FAR_VIEW) {
             const int numDiagonals = m_drawDimension.width() + m_drawDimension.height() - 1;
             // loop through / diagonals beginning at top left and going to top right
             for(int diagonal = 0; diagonal < numDiagonals && !stop; ++diagonal) {
                 // loop current diagonal tiles
-                for(int iy = std::min(diagonal, m_drawDimension.width() - 1), ix = std::max(diagonal - m_drawDimension.width() + 1, 0); iy >= 0 && ix < m_drawDimension.width() && !stop; --iy, ++ix) {
+                int advance = std::max(diagonal - m_drawDimension.height(), 0);
-                    // skip bottom tiles that are outside the draw dimension
+                for(int iy = diagonal - advance, ix = advance; iy >= 0 && ix < m_drawDimension.width() && !stop; --iy, ++ix) {
-                    if(iy >= m_drawDimension.height())
-                        continue;
-
                     // only start really looking tiles in the desired start
                     if(count < start) {
                         count++;
@@ -256,7 +291,7 @@ void MapView::updateVisibleTilesCache(int start)
                     }
 
                     // avoid rendering too much tiles at once on far views
-                    if(count - start + 1 > MAX_TILE_UPDATES && m_viewRange >= HUGE_VIEW) {
+                    if(count - start + 1 > MAX_TILE_UPDATES && m_viewMode >= HUGE_VIEW) {
                         stop = true;
                         break;
                     }
@@ -378,13 +413,71 @@ void MapView::updateVisibleTilesCache(int start)
         // schedule next update continuation to avoid freezes
         m_updateTilesCacheEvent = g_eventDispatcher.scheduleEvent(std::bind(&MapView::updateVisibleTilesCache, asMapView(), count), 1);
     }
-    if(start == 0)
+
+    if(start == 0 && m_drawTexts && m_viewMode <= NEAR_VIEW)
         m_cachedFloorVisibleCreatures = g_map.getSpectators(cameraPosition, false);
 }
 
+void MapView::updateGeometry(const Size& visibleDimension, const Size& optimizedSize)
+{
+    int possiblesTileSizes[] = {1,2,4,8,16,32};
+    int tileSize = 0;
+    Size bufferSize;
+    for(int candidateTileSize : possiblesTileSizes) {
+        bufferSize = (visibleDimension + Size(3,3)) * candidateTileSize;
+        if(bufferSize.width() > g_graphics.getMaxTextureSize() || bufferSize.height() > g_graphics.getMaxTextureSize())
+            break;
+
+        tileSize = candidateTileSize;
+        if(optimizedSize.width() < bufferSize.width() - 3*candidateTileSize && optimizedSize.height() < bufferSize.height() - 3*candidateTileSize)
+            break;
+    }
+
+    if(tileSize == 0) {
+        logTraceError("reached max zoom out");
+        return;
+    }
+
+    Size drawDimension = visibleDimension + Size(3,3);
+    Point virtualCenterOffset = (drawDimension/2 - Size(1,1)).toPoint();
+    Point visibleCenterOffset = virtualCenterOffset;
+
+    ViewMode viewMode = m_viewMode;
+    if(m_autoViewMode) {
+        if(tileSize >= 32 && visibleDimension.area() <= NEAR_VIEW_AREA)
+            viewMode = NEAR_VIEW;
+        else if(tileSize >= 16 && visibleDimension.area() <= MID_VIEW_AREA)
+            viewMode = MID_VIEW;
+        else if(tileSize >= 8 && visibleDimension.area() <= FAR_VIEW_AREA)
+            viewMode = FAR_VIEW;
+        else
+            viewMode = HUGE_VIEW;
+    }
+
+    // draw actually more than what is needed to avoid massive recalculations on huge views
+        /*
+    if(viewMode >= HUGE_VIEW) {
+        Size oldDimension = drawDimension;
+        drawDimension = (m_framebuffer->getSize() / tileSize);
+        virtualCenterOffset += (drawDimension - oldDimension).toPoint() / 2;
+    }
+    */
+
+    m_viewMode = viewMode;
+    m_visibleDimension = visibleDimension;
+    m_drawDimension = drawDimension;
+    m_tileSize = tileSize;
+    m_virtualCenterOffset = virtualCenterOffset;
+    m_visibleCenterOffset = visibleCenterOffset;
+    m_optimizedSize = optimizedSize;
+    m_framebuffer->resize(bufferSize);
+
+    requestVisibleTilesCacheUpdate();
+}
+
 void MapView::onTileUpdate(const Position& pos)
 {
-    //if(m_viewRange <= FAR_VIEW)
+    //if(m_viewMode <= FAR_VIEW)
         requestVisibleTilesCacheUpdate();
 }
 
@@ -400,6 +493,42 @@ void MapView::unlockFirstVisibleFloor()
     requestVisibleTilesCacheUpdate();
 }
 
+void MapView::setVisibleDimension(const Size& visibleDimension)
+{
+    if(visibleDimension == m_visibleDimension)
+        return;
+
+    if(visibleDimension.width() % 2 != 1 || visibleDimension.height() % 2 != 1) {
+        logTraceError("visible dimension must be odd");
+        return;
+    }
+
+    if(visibleDimension < Size(3,3)) {
+        logTraceError("reach max zoom in");
+        return;
+    }
+
+    updateGeometry(visibleDimension, m_optimizedSize);
+}
+
+void MapView::setViewMode(MapView::ViewMode viewMode)
+{
+    m_viewMode = viewMode;
+    requestVisibleTilesCacheUpdate();
+}
+
+void MapView::setAutoViewMode(bool enable)
+{
+    m_autoViewMode = enable;
+    if(enable)
+        updateGeometry(m_visibleDimension, m_optimizedSize);
+}
+
+void MapView::optimizeForSize(const Size& visibleSize)
+{
+    updateGeometry(m_visibleDimension, visibleSize);
+}
+
 void MapView::followCreature(const CreaturePtr& creature)
 {
     m_followingCreature = creature;
@@ -413,67 +542,6 @@ void MapView::setCameraPosition(const Position& pos)
     requestVisibleTilesCacheUpdate();
 }
 
-void MapView::setVisibleDimension(const Size& visibleDimension)
-{
-    if(visibleDimension.width() % 2 != 1 || visibleDimension.height() % 2 != 1) {
-        logTraceError("visible dimension must be odd");
-        return;
-    }
-
-    if(visibleDimension < Size(3,3)) {
-        logTraceError("reach max zoom in");
-        return;
-    }
-
-    int possiblesTileSizes[] = {32,16,8,4,2,1};
-    int tileSize = 0;
-    Size drawDimension = visibleDimension + Size(3,3);
-    Size framebufferSize = m_framebuffer->getSize();
-    for(int candidateTileSize : possiblesTileSizes) {
-        Size candidateDrawSize = drawDimension * candidateTileSize;
-
-        // found a valid size
-        if(candidateDrawSize.width() <= framebufferSize.width() && candidateDrawSize.height() <= framebufferSize.height()) {
-            tileSize = candidateTileSize;
-            break;
-        }
-    }
-
-    if(tileSize == 0) {
-        logTraceError("reached max zoom out");
-        return;
-    }
-
-    Point virtualCenterOffset = (drawDimension/2 - Size(1,1)).toPoint();
-    Point visibleCenterOffset = virtualCenterOffset;
-
-    ViewRange viewRange;
-    if(tileSize >= 32 && visibleDimension.area() <= NEAR_VIEW_AREA)
-        viewRange = NEAR_VIEW;
-    else if(tileSize >= 16 && visibleDimension.area() <= MID_VIEW_AREA)
-        viewRange = MID_VIEW;
-    else if(tileSize >= 8 && visibleDimension.area() <= FAR_VIEW_AREA)
-        viewRange = FAR_VIEW;
-    else
-        viewRange = HUGE_VIEW;
-
-    bool mustUpdate = (m_drawDimension != drawDimension ||
-                       m_viewRange != viewRange ||
-                       m_virtualCenterOffset != virtualCenterOffset ||
-                       m_visibleCenterOffset != visibleCenterOffset ||
-                       m_tileSize != tileSize);
-
-    m_visibleDimension = visibleDimension;
-    m_drawDimension = drawDimension;
-    m_tileSize = tileSize;
-    m_viewRange = viewRange;
-    m_virtualCenterOffset = virtualCenterOffset;
-    m_visibleCenterOffset = visibleCenterOffset;
-
-    if(mustUpdate)
-        requestVisibleTilesCacheUpdate();
-}
-
 int MapView::calcFirstVisibleFloor()
 {
     int z = 7;
@@ -486,7 +554,7 @@ int MapView::calcFirstVisibleFloor()
         // this could happens if the player is not known yet
         if(cameraPosition.isValid()) {
             // avoid rendering multifloors in far views
-            if(m_viewRange >= FAR_VIEW) {
+            if(m_viewMode >= FAR_VIEW || !m_multifloor) {
                 z = cameraPosition.z;
             } else {
                 // if nothing is limiting the view, the first visible floor is 0
@@ -536,23 +604,24 @@ int MapView::calcFirstVisibleFloor()
 
 int MapView::calcLastVisibleFloor()
 {
+    if(!m_multifloor || m_viewMode >= FAR_VIEW)
+        return calcFirstVisibleFloor();
+
     int z = 7;
 
     Position cameraPosition = getCameraPosition();
     // this could happens if the player is not known yet
     if(cameraPosition.isValid()) {
-        // avoid rendering multifloors in far views
+        // view only underground floors when below sea level
-        if(m_viewRange >= FAR_VIEW) {
+        if(cameraPosition.z > Otc::SEA_FLOOR)
-            z = cameraPosition.z;
+            z = cameraPosition.z + Otc::AWARE_UNDEGROUND_FLOOR_RANGE;
-        } else {
+        else
-            // view only underground floors when below sea level
+            z = Otc::SEA_FLOOR;
-            if(cameraPosition.z > Otc::SEA_FLOOR)
-                z = cameraPosition.z + Otc::AWARE_UNDEGROUND_FLOOR_RANGE;
-            else
-                z = Otc::SEA_FLOOR;
-        }
     }
 
+    if(m_lockedFirstVisibleFloor != -1)
+        z = std::max(m_lockedFirstVisibleFloor, z);
+
     // just ensure the that the floor is in the valid range
     z = std::min(std::max(z, 0), (int)Otc::MAX_Z);
     return z;
@@ -568,7 +637,7 @@ Position MapView::getCameraPosition()
 TilePtr MapView::getTile(const Point& mousePos, const Rect& mapRect)
 {
     Point relativeMousePos = mousePos - mapRect.topLeft();
-    Size visibleSize = getVisibleSize();
+    Size visibleSize = m_visibleDimension * m_tileSize;
     Position cameraPosition = getCameraPosition();
 
     // if we have no camera, its impossible to get the tile
@@ -608,6 +677,7 @@ TilePtr MapView::getTile(const Point& mousePos, const Rect& mapRect)
     return tile;
 }
 
+
 Point MapView::transformPositionTo2D(const Position& position)
 {
     Position cameraPosition = getCameraPosition();

src/otclient/core/mapview.h

@@ -34,8 +34,6 @@ class MapView : public LuaObject
         // 3840x2160 => 1080p optimized
         // 2560x1440 => 720p optimized
         // 1728x972 => 480p optimized
-        DEFAULT_FRAMBUFFER_WIDTH = 2560,
-        DEFAULT_FRAMBUFFER_HEIGHT = 1440,
 
         NEAR_VIEW_AREA = 32*32,
         MID_VIEW_AREA = 64*64,
@@ -43,18 +41,19 @@ class MapView : public LuaObject
         MAX_TILE_UPDATES = NEAR_VIEW_AREA*7
     };
 
-    enum ViewRange {
+public:
+    enum ViewMode {
         NEAR_VIEW,
         MID_VIEW,
         FAR_VIEW,
         HUGE_VIEW
     };
 
-public:
     MapView();
     void draw(const Rect& rect);
 
 private:
+    void updateGeometry(const Size& visibleDimension, const Size& optimizedSize);
     void updateVisibleTilesCache(int start = 0);
     void requestVisibleTilesCacheUpdate() { m_mustUpdateVisibleTilesCache = true; }
 
@@ -64,55 +63,82 @@ protected:
     friend class Map;
 
 public:
+    // floor visibility related
     void lockFirstVisibleFloor(int firstVisibleFloor);
     void unlockFirstVisibleFloor();
-    void followCreature(const CreaturePtr& creature);
+    int getLockedFirstVisibleFloor() { return m_lockedFirstVisibleFloor; }
 
-    void setCameraPosition(const Position& pos);
+    void setMultifloor(bool enable) { m_multifloor = enable; requestVisibleTilesCacheUpdate(); }
+    bool isMultifloor() { return m_multifloor; }
+
+    // map dimension related
     void setVisibleDimension(const Size& visibleDimension);
-    void setAnimated(bool animated) { m_animated = animated; }
-
-    //void zoomIn(float factor);
-    //void zoomOut(float factor);
-
-    bool isFollowingCreature() { return !!m_followingCreature; }
-
-    int calcFirstVisibleFloor();
-    int calcLastVisibleFloor();
-    Position getCameraPosition();
-    TilePtr getTile(const Point& mousePos, const Rect& mapRect);
     Size getVisibleDimension() { return m_visibleDimension; }
-    Size getVisibleSize() { return m_visibleDimension * m_tileSize; }
+
+    // view mode related
+    void setViewMode(ViewMode viewMode);
+    ViewMode getViewMode() { return m_viewMode; }
+    void optimizeForSize(const Size& visibleSize);
+
+    void setAutoViewMode(bool enable);
+    bool isAutoViewModeEnabled() { return m_autoViewMode; }
+
+    // camera related
+    void followCreature(const CreaturePtr& creature);
     CreaturePtr getFollowingCreature() { return m_followingCreature; }
 
-    bool getViewRange() { return m_viewRange; }
+    void setCameraPosition(const Position& pos);
-    bool isAnimated() { return m_animated; }
+    Position getCameraPosition();
 
-    Point transformPositionTo2D(const Position& position);
+    // drawing related
+    void setDrawFlags(Otc::DrawFlags drawFlags) { m_drawFlags = drawFlags; requestVisibleTilesCacheUpdate(); }
+    Otc::DrawFlags getDrawFlags() { return m_drawFlags; }
+
+    void setDrawTexts(bool enable) { m_drawTexts = enable; }
+    bool isDrawingTexts() { return m_drawTexts; }
+
+    void setDrawMinimapColors(bool enable) { m_drawMinimapColors = enable; requestVisibleTilesCacheUpdate(); }
+    bool isDrawingMinimapColors() { return m_drawMinimapColors; }
+
+    void setAnimated(bool animated) { m_animated = animated; requestVisibleTilesCacheUpdate(); }
+    bool isAnimating() { return m_animated; }
+
+    // get tile
+    TilePtr getTile(const Point& mousePos, const Rect& mapRect);
 
     MapViewPtr asMapView() { return std::static_pointer_cast<MapView>(shared_from_this()); }
 
 private:
+    int calcFirstVisibleFloor();
+    int calcLastVisibleFloor();
+    Point transformPositionTo2D(const Position& position);
+
     int m_lockedFirstVisibleFloor;
     int m_cachedFirstVisibleFloor;
     int m_cachedLastVisibleFloor;
     int m_tileSize;
     Size m_drawDimension;
     Size m_visibleDimension;
+    Size m_optimizedSize;
     Point m_virtualCenterOffset;
     Point m_visibleCenterOffset;
     Position m_customCameraPosition;
     Boolean<true> m_mustUpdateVisibleTilesCache;
     Boolean<true> m_mustDrawVisibleTilesCache;
     Boolean<true> m_mustCleanFramebuffer;
+    Boolean<true> m_multifloor;
     Boolean<true> m_animated;
+    Boolean<true> m_autoViewMode;
+    Boolean<true> m_drawTexts;
+    Boolean<false> m_drawMinimapColors;
     std::vector<TilePtr> m_cachedVisibleTiles;
     std::vector<CreaturePtr> m_cachedFloorVisibleCreatures;
     EventPtr m_updateTilesCacheEvent;
     CreaturePtr m_followingCreature;
     FrameBufferPtr m_framebuffer;
     PainterShaderProgramPtr m_shaderProgram;
-    ViewRange m_viewRange;
+    ViewMode m_viewMode;
+    Otc::DrawFlags m_drawFlags;
 };
 
 #endif

src/otclient/core/thing.h

@@ -104,6 +104,7 @@ public:
     int getAnimationPhases() { return m_type->dimensions[ThingType::AnimationPhases]; }
     int getGroundSpeed() { return m_type->parameters[ThingType::GroundSpeed]; }
     int getElevation() { return m_type->parameters[ThingType::Elevation]; }
+    int getMinimapColor() { return m_type->parameters[ThingType::MiniMapColor]; }
 
     int getSpriteId(int w = 0, int h = 0, int layer = 0,
                     int xPattern = 0, int yPattern = 0, int zPattern = 0,

src/otclient/core/tile.cpp

@@ -265,6 +265,19 @@ int Tile::getGroundSpeed()
     return groundSpeed;
 }
 
+Color Tile::getMinimapColor()
+{
+    Color color = Color::black;
+    for(const ThingPtr& thing : m_things) {
+        if(!thing->isGround() && !thing->isGroundBorder() && !thing->isOnBottom() && !thing->isOnTop())
+            break;
+        int c = thing->getMinimapColor();
+        if(c != 0)
+            color = Color::from8bit(c);
+    }
+    return color;
+}
+
 ThingPtr Tile::getTopLookThing()
 {
     if(isEmpty())

src/otclient/core/tile.h

@@ -57,6 +57,7 @@ public:
     const std::vector<ThingPtr>& getThings() { return m_things; }
     ItemPtr getGround();
     int getGroundSpeed();
+    Color getMinimapColor();
     int getThingCount() { return m_things.size() + m_effects.size(); }
     bool isPathable();
     bool isWalkable();

src/otclient/luafunctions.cpp

@@ -333,10 +333,37 @@ void OTClient::registerLuaFunctions()
     g_lua.bindClassMemberFunction<UICreature>("isFixedCreatureSize", &UICreature::isFixedCreatureSize);
 
     g_lua.registerClass<UIMap, UIWidget>();
-    g_lua.bindClassStaticFunction<UIMap>("create", []{ return UIMapPtr(new UIMap); } );
+    g_lua.bindClassStaticFunction<UIMap>("create", []{ return UIMapPtr(new UIMap); });
-    g_lua.bindClassMemberFunction<UIMap>("followCreature", &UIMap::followCreature);
+    g_lua.bindClassMemberFunction<UIMap>("drawSelf", &UIMap::drawSelf);
-    g_lua.bindClassMemberFunction<UIMap>("setCameraPosition", &UIMap::setCameraPosition);
+    g_lua.bindClassMemberFunction<UIMap>("setZoom", &UIMap::setZoom);
-    g_lua.bindClassMemberFunction<UIMap>("getTile", &UIMap::getTile);
     g_lua.bindClassMemberFunction<UIMap>("zoomIn", &UIMap::zoomIn);
     g_lua.bindClassMemberFunction<UIMap>("zoomOut", &UIMap::zoomOut);
+    g_lua.bindClassMemberFunction<UIMap>("followCreature", &UIMap::followCreature);
+    g_lua.bindClassMemberFunction<UIMap>("setCameraPosition", &UIMap::setCameraPosition);
+    g_lua.bindClassMemberFunction<UIMap>("setMaxZoomIn", &UIMap::setMaxZoomIn);
+    g_lua.bindClassMemberFunction<UIMap>("setMaxZoomOut", &UIMap::setMaxZoomOut);
+    g_lua.bindClassMemberFunction<UIMap>("setMultifloor", &UIMap::setMultifloor);
+    g_lua.bindClassMemberFunction<UIMap>("setVisibleDimension", &UIMap::setVisibleDimension);
+    g_lua.bindClassMemberFunction<UIMap>("setViewMode", &UIMap::setViewMode);
+    g_lua.bindClassMemberFunction<UIMap>("setAutoViewMode", &UIMap::setAutoViewMode);
+    g_lua.bindClassMemberFunction<UIMap>("setDrawFlags", &UIMap::setDrawFlags);
+    g_lua.bindClassMemberFunction<UIMap>("setDrawTexts", &UIMap::setDrawTexts);
+    g_lua.bindClassMemberFunction<UIMap>("setDrawMinimapColors", &UIMap::setDrawMinimapColors);
+    g_lua.bindClassMemberFunction<UIMap>("setAnimated", &UIMap::setAnimated);
+    g_lua.bindClassMemberFunction<UIMap>("setKeepAspectRatio", &UIMap::setKeepAspectRatio);
+    g_lua.bindClassMemberFunction<UIMap>("isMultifloor", &UIMap::isMultifloor);
+    g_lua.bindClassMemberFunction<UIMap>("isAutoViewModeEnabled", &UIMap::isAutoViewModeEnabled);
+    g_lua.bindClassMemberFunction<UIMap>("isDrawingTexts", &UIMap::isDrawingTexts);
+    g_lua.bindClassMemberFunction<UIMap>("isDrawingMinimapColors", &UIMap::isDrawingMinimapColors);
+    g_lua.bindClassMemberFunction<UIMap>("isAnimating", &UIMap::isAnimating);
+    g_lua.bindClassMemberFunction<UIMap>("isKeepAspectRatioEnabled", &UIMap::isKeepAspectRatioEnabled);
+    g_lua.bindClassMemberFunction<UIMap>("getVisibleDimension", &UIMap::getVisibleDimension);
+    g_lua.bindClassMemberFunction<UIMap>("getViewMode", &UIMap::getViewMode);
+    g_lua.bindClassMemberFunction<UIMap>("getFollowingCreature", &UIMap::getFollowingCreature);
+    g_lua.bindClassMemberFunction<UIMap>("getDrawFlags", &UIMap::getDrawFlags);
+    g_lua.bindClassMemberFunction<UIMap>("getCameraPosition", &UIMap::getCameraPosition);
+    g_lua.bindClassMemberFunction<UIMap>("getTile", &UIMap::getTile);
+    g_lua.bindClassMemberFunction<UIMap>("getMaxZoomIn", &UIMap::getMaxZoomIn);
+    g_lua.bindClassMemberFunction<UIMap>("getMaxZoomOut", &UIMap::getMaxZoomOut);
+    g_lua.bindClassMemberFunction<UIMap>("getZoom", &UIMap::getZoom);
 }

src/otclient/ui/uimap.cpp

@@ -32,6 +32,10 @@ UIMap::UIMap()
 {
     m_dragable = true;
     m_mapView = MapViewPtr(new MapView);
+    m_zoom = m_mapView->getVisibleDimension().height();
+    m_aspectRatio = 0.0f;
+    m_maxZoomIn = 3;
+    m_maxZoomOut = 512;
     g_map.addMapView(m_mapView);
 }
 
@@ -51,56 +55,48 @@ void UIMap::drawSelf()
     m_mapView->draw(m_mapRect);
 }
 
-void UIMap::zoomIn()
+bool UIMap::setZoom(int zoom)
 {
-    int dimensionHeight = m_mapView->getVisibleDimension().height() * 0.99;
+    //TODO
-    if(dimensionHeight == m_mapView->getVisibleDimension().height())
+    return false;
-        dimensionHeight -= 1;
-    if(dimensionHeight % 2 == 0)
-        dimensionHeight -= 1;
-    int dimensionWidth = dimensionHeight * getSize().ratio();
-    if(dimensionWidth % 2 == 0)
-        dimensionWidth -= 1;
-
-    m_mapView->setVisibleDimension(Size(dimensionWidth, dimensionHeight));
-
-    Rect mapRect = getClippingRect().expanded(-1);
-    Size mapSize = m_mapView->getVisibleSize();
-    mapSize.scale(mapRect.size(), Fw::KeepAspectRatio);
-
-    m_mapRect.resize(mapSize);
-    m_mapRect.moveCenter(m_rect.center());
 }
 
-void UIMap::zoomOut()
+bool UIMap::zoomIn()
 {
-    int dimensionHeight = m_mapView->getVisibleDimension().height() * 1.01;
+    int delta = 2;
-    if(dimensionHeight == m_mapView->getVisibleDimension().height())
+    if(m_zoom - delta <= m_maxZoomIn)
-        dimensionHeight += 1;
+        return false;
-    if(dimensionHeight % 2 == 0)
-        dimensionHeight += 1;
-    int dimensionWidth = dimensionHeight * getSize().ratio();
-    if(dimensionWidth % 2 == 0)
-        dimensionWidth += 1;
 
-    m_mapView->setVisibleDimension(Size(dimensionWidth, dimensionHeight));
+    m_zoom -= delta;
-
+    updateVisibleDimension();
-    Rect mapRect = getClippingRect().expanded(-1);
+    return true;
-    Size mapSize = m_mapView->getVisibleSize();
-    mapSize.scale(mapRect.size(), Fw::KeepAspectRatio);
-
-    m_mapRect.resize(mapSize);
-    m_mapRect.moveCenter(m_rect.center());
 }
 
-void UIMap::followCreature(const CreaturePtr& creature)
+bool UIMap::zoomOut()
 {
-    m_mapView->followCreature(creature);
+    int delta = 2;
+    if(m_zoom + delta >= m_maxZoomOut)
+        return false;
+
+    m_zoom += 2;
+    updateVisibleDimension();
+    return true;
 }
 
-void UIMap::setCameraPosition(const Position& pos)
+void UIMap::setVisibleDimension(const Size& visibleDimension)
 {
-    m_mapView->setCameraPosition(pos);
+    m_mapView->setVisibleDimension(visibleDimension);
+
+    if(m_aspectRatio != 0.0f)
+        m_aspectRatio = visibleDimension.ratio();
+}
+
+void UIMap::setKeepAspectRatio(bool enable)
+{
+    if(enable)
+        m_aspectRatio = getVisibleDimension().ratio();
+    else
+        m_aspectRatio = 0.0f;
 }
 
 TilePtr UIMap::getTile(const Point& mousePos)
@@ -112,14 +108,61 @@ TilePtr UIMap::getTile(const Point& mousePos)
     return m_mapView->getTile(mousePos, m_mapRect);
 }
 
+void UIMap::onStyleApply(const std::string& styleName, const OTMLNodePtr& styleNode)
+{
+    UIWidget::onStyleApply(styleName, styleNode);
+    for(const OTMLNodePtr& node : styleNode->children()) {
+        if(node->tag() == "multifloor")
+            setMultifloor(node->value<bool>());
+        else if(node->tag() == "auto-view-mode")
+            setAutoViewMode(node->value<bool>());
+        else if(node->tag() == "draw-texts")
+            setDrawTexts(node->value<bool>());
+        else if(node->tag() == "draw-minimap-colors")
+            setDrawMinimapColors(node->value<bool>());
+        else if(node->tag() == "animated")
+            setAnimated(node->value<bool>());
+    }
+}
+
 void UIMap::onGeometryChange(const Rect& oldRect, const Rect& newRect)
 {
     UIWidget::onGeometryChange(oldRect, newRect);
+    updateMapSize();
+}
 
-    Rect mapRect = getClippingRect().expanded(-1);
+void UIMap::updateVisibleDimension()
-    Size mapSize = m_mapView->getVisibleSize();
+{
-    mapSize.scale(mapRect.size(), Fw::KeepAspectRatio);
+    int dimensionHeight = m_zoom;
+    if(dimensionHeight % 2 == 0)
+        dimensionHeight += 1;
+    int dimensionWidth = m_zoom * m_mapRect.size().ratio();
+    if(dimensionWidth % 2 == 0)
+        dimensionWidth += 1;
+
+    m_mapView->setVisibleDimension(Size(dimensionWidth, dimensionHeight));
+
+    if(m_aspectRatio != 0.0f)
+        updateMapSize();
+}
+
+void UIMap::updateMapSize()
+{
+    Rect clippingRect = getClippingRect();
+    Size mapSize;
+    if(m_aspectRatio != 0.0f) {
+        Rect mapRect = clippingRect.expanded(-1);
+        mapSize = Size(m_aspectRatio*m_zoom, m_zoom);
+        mapSize.scale(mapRect.size(), Fw::KeepAspectRatio);
+    } else {
+        mapSize = clippingRect.expanded(-1).size();
+    }
 
     m_mapRect.resize(mapSize);
-    m_mapRect.moveCenter(newRect.center());
+    m_mapRect.moveCenter(clippingRect.center());
+    m_mapView->optimizeForSize(mapSize);
+
+    if(m_aspectRatio == 0.0f)
+        updateVisibleDimension();
 }
+

src/otclient/ui/uimap.h

@@ -27,6 +27,8 @@
 #include <framework/ui/uiwidget.h>
 #include <otclient/core/tile.h>
 
+#include <otclient/core/mapview.h>
+
 class UIMap : public UIWidget
 {
 public:
@@ -35,19 +37,55 @@ public:
 
     void drawSelf();
 
-    void zoomIn();
+    bool setZoom(int zoom);
-    void zoomOut();
+    bool zoomIn();
-    void followCreature(const CreaturePtr& creature);
+    bool zoomOut();
-    void setCameraPosition(const Position& pos);
+    void followCreature(const CreaturePtr& creature) { m_mapView->followCreature(creature); }
 
+    void setCameraPosition(const Position& pos) { m_mapView->setCameraPosition(pos); }
+    void setMaxZoomIn(int maxZoomIn) { m_maxZoomIn = maxZoomIn; }
+    void setMaxZoomOut(int maxZoomOut) { m_maxZoomOut = maxZoomOut; }
+    void setMultifloor(bool enable) { m_mapView->setMultifloor(enable); }
+    void setVisibleDimension(const Size& visibleDimension);
+    void setViewMode(MapView::ViewMode viewMode)  { m_mapView->setViewMode(viewMode); }
+    void setAutoViewMode(bool enable) { m_mapView->setAutoViewMode(enable); }
+    void setDrawFlags(Otc::DrawFlags drawFlags) { m_mapView->setDrawFlags(drawFlags); }
+    void setDrawTexts(bool enable) { m_mapView->setDrawTexts(enable); }
+    void setDrawMinimapColors(bool enable) { m_mapView->setDrawMinimapColors(enable); }
+    void setAnimated(bool enable) { m_mapView->setAnimated(enable); }
+    void setKeepAspectRatio(bool enable);
+
+    bool isMultifloor() { return m_mapView->isMultifloor(); }
+    bool isAutoViewModeEnabled() { return m_mapView->isAutoViewModeEnabled(); }
+    bool isDrawingTexts() { return m_mapView->isDrawingTexts(); }
+    bool isDrawingMinimapColors() { return m_mapView->isDrawingMinimapColors(); }
+    bool isAnimating() { return m_mapView->isAnimating(); }
+    float isKeepAspectRatioEnabled() { return m_aspectRatio != 0.0f; }
+
+    Size getVisibleDimension() { return m_mapView->getVisibleDimension(); }
+    MapView::ViewMode getViewMode() { return m_mapView->getViewMode(); }
+    CreaturePtr getFollowingCreature() { return m_mapView->getFollowingCreature(); }
+    Otc::DrawFlags getDrawFlags() { return m_mapView->getDrawFlags(); }
+    Position getCameraPosition() { return m_mapView->getCameraPosition(); }
     TilePtr getTile(const Point& mousePos);
+    int getMaxZoomIn() { return m_maxZoomIn; }
+    int getMaxZoomOut() { return m_maxZoomOut; }
+    int getZoom() { return m_zoom; }
 
 protected:
+    virtual void onStyleApply(const std::string& styleName, const OTMLNodePtr& styleNode);
     virtual void onGeometryChange(const Rect& oldRect, const Rect& newRect);
 
 private:
+    void updateVisibleDimension();
+    void updateMapSize();
+
+    int m_zoom;
     MapViewPtr m_mapView;
     Rect m_mapRect;
+    float m_aspectRatio;
+    int m_maxZoomIn;
+    int m_maxZoomOut;
 };
 
 #endif